Spurgeon, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.7 °C (low) to 20.1 °C (high). Annual precipitation averages 1123.7 Millimeters. Spurgeon is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.8 °C | 7.9 °C | 91.95 mm |
| February | -1.4 °C | 10.3 °C | 91.69 mm |
| March | 2.3 °C | 15.2 °C | 102.36 mm |
| April | 7 °C | 20.7 °C | 100.33 mm |
| May | 12 °C | 25 °C | 93.73 mm |
| June | 16.4 °C | 28.6 °C | 95 mm |
| July | 18.6 °C | 30.1 °C | 124.97 mm |
| August | 17.8 °C | 29.7 °C | 104.65 mm |
| September | 14.4 °C | 27.1 °C | 73.41 mm |
| October | 7.7 °C | 21.4 °C | 61.72 mm |
| November | 1.8 °C | 15.1 °C | 77.47 mm |
| December | -1.1 °C | 9.7 °C | 106.43 mm |
| Annual | 7.7 °C | 20.1 °C | 1123.71 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |